Dell Latitude 9430 2-in-1 Service Manual page 95

The following table shows different power and battery-status light patterns and associated problems.
Blinking Pattern
1
1
1
1
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
Camera status light: Indicates whether the camera is in use.
● Solid white — Camera is in use.
● Off — Camera is not in use.
Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.
● Solid white — Caps Lock enabled.
1
2
5
6
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
Problem description
TPM detection failure
Unrecoverable SPI flash failure
EC unable to program i-Fuse
Generic catch-all for ungraceful
EC code flow errors
CPU failure
System Board failure (included
BIOS corruption or ROM error)
No Memory / RAM detected
Memory / RAM failure
Invalid memory installed
System board / Chipset Error
LCD failure (SBIOS message)
LCD failure (EC detection of
power rail failure)
CMOS battery failure
PCI or Video card/chip failure
BIOS recovery image not found
BIOS recovery image found but
invalid
Power rail failure
Flash corruption detected by
SBIOS.
Timeout waiting on ME to reply
to HECI message.
Suggested resolution
Replace the system board.
Replace the system board.
Replace the system board.
Disconnect all power source
(AC, battery, coin cell)
and drain flea power by
pressing & holding down
power button.
Run the Intel CPU
diagnostics tools. If problem
persists, replace the system
board.
Flash latest BIOS version.
If problem persists, replace
the system board.
Memory is integrated,
replace the system board
Memory is integrated,
replace the system board
Memory is integrated,
replace the system board
Replace the system board.
Replace the LCD module.
Replace the system board.
Reset the CMOS battery
connection. If problem
persists, replace the RTC
battery.
Replace the system board.
Flash latest BIOS version.
If problem persists, replace
the system board.
Flash latest BIOS version.
If problem persists, replace
the system board.
Replace the system board.
Replace the system board.
Replace the system board.
Troubleshooting 95